Yamaha RS90RK Service Manual page 30

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SPECIAL TOOLS

• Rotor holding puller

P/N: YU-33270-B

• Flywheel puller attachment

P/N: YM-33282

These tools are used to remove the magneto rotor.

• Cooling system tester

P/N: YU-24460-01

P/N: YU-33984

This tester and its adapter are used for checking the cooling system.

• Oil filter wrench

P/N: YM-01469

This tool is needed to loosen or tighten the oil filter cartridge.

• Vacuum gauge

P/N: YU-44456

This guide is used to synchronize the carburetors.

• Compression gauge set

P/N: YU-33223 (compression gage)

P/N: YU-33223-4 (adapter)

These tools are used to measure engine compression.

• Valve spring compressor set

P/N: YM-04019 (valve spring compressor)

P/N: YM-04108 (attachment)

These tools are used to remove or install the valve assemblies.

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